/**
 * Copyright (c) 2010 Abadi Kurniawan, Brian Dukes
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. 
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 
 * USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package hackathon.android.mymessageinbox;

import java.io.IOException;
import java.io.InputStream;
import java.util.Timer;
import java.util.TimerTask;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONArray;
import org.json.JSONException;

import android.content.Intent;
import android.util.Log;

/**
 * @author Abadi Kurniawan, Brian Dukes
 *
 */
public class MessageService extends MyService {
	@Override
	public void onStart(Intent intent, int startId)
	{
		super.onStart(intent, startId);
		token = intent.getExtras().getString(EXTRA_TOKEN);
		userName = intent.getExtras().getString(EXTRA_USERNAME);
//		showNotification();
		
		Timer timer = new Timer();
		timer.schedule(new TimerTask() {

				@Override
				public void run() {
					callWebService(token);
				}			
			}, 
			0, 
			UPDATE_INTERVAL);
	}
	
	/**
	 * Calling a web service with JSON response.
	 * Based on example from http://senior.ceng.metu.edu.tr/2009/praeda/2009/01/11/a-simple-restful-client-at-android/
	 * @param token
	 */
	protected void callWebService(String token)
	{
		HttpClient client = new DefaultHttpClient();
		try {
			String url = SERVICE_URL+"GetMessages?token="+token;
			HttpResponse response = client.execute(new HttpGet(url));
			Log.d("Engage", "[MessageService] "+url);		
			Log.d("Engage", "[MessageService] "+response.toString());
			HttpEntity entity = response.getEntity();
			if (entity != null) {
				InputStream in = entity.getContent();				
				String result = convertStreamToString(in);
				Log.d("Engage", result);
								
				Intent update = new Intent(INTENT_MESSAGE_UPDATE);
				update.putExtra(EXTRA_MESSAGES, result);
				sendBroadcast(update);
				
				JSONArray array = new JSONArray(result);
				if (array.length() > 0)
				{
					showNotification(getString(R.string.service_new_message));
				}
			}
		} catch (ClientProtocolException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		} catch (JSONException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
}
